Do NOW-Structure of the ATOM

Front

What is the charge of an electron?

Back

Negative charge.

Front

What are the three main subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

Front

Which subatomic particle is found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the role of protons in an atom?

Back

Determine the atomic number and identity of the element.

Front

What is the role of neutrons in an atom?

Back

Provide stability to the nucleus.

Front

What is the mass of an electron compared to protons and neutrons?

Back

Electrons have a much smaller mass than protons and neutrons.

Front

What does Dalton's Atomic Theory state about atoms of the same element?

Back

They are identical in mass and properties.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom and defines the element.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

How do electrons contribute to chemical bonding?

Back

They are involved in the formation of bonds between atoms.